Mintty Sixel Image Parsing Heap-Based Buffer Overflow Remote Code Execution Vulnerability

A heap-based buffer overflow vulnerability allowing remote code execution has been identified in Mintty. This issue arises from improper validation of user-supplied data lengths when parsing sixel images, leading to arbitrary code execution in the context of the current user. Exploitation requires user interaction, such as visiting a malicious page or opening a harmful file.

Impact

Exploitation of this vulnerability allows for arbitrary code execution on the affected system.

Remediation

Users can upgrade to Mintty version 3.7.5 to address this vulnerability.